Legend


Comparison


Non-smoking vs


Early-onset smoking

Late-onset smoking

Short-term smoking

Occasional smoking

Occasional smoking vs


Early-onset smoking

Late-onset smoking

Short-term smoking

Short-term smoking vs


Early-onset smoking

Late-onset smoking

Late-onset smoking vs


Early-onset smoking

Theme


Family and peer smoking

Family and peer substance use

Family sociodemographic factors

Individual lifestyle factors

Individual sociodemographics

Mental health and other factors